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Likelihood Ratio (LR) in Emergency Medicine

10/24/2014

NO fever, NO bacteriaemia?

Clinical Scenario

A 80 yo nursing home resident woman  is brought to the ED by ambulance. 
“Hypothension, cough and a hystory of heart failure ”, refers the nurse. 
She looks pale and confused, her respiratory rate is 22, oxygen saturation on room air is 90%. Ear temperature is 36,5°C, BP  is 90/60 mmHg, HR is 95.
There’re pulmonary rales. Lactate are 4 mmol/dl.

Is it a low flow heart failure or is there and underline pneumonia? Does the absence of fever rule out bacteriaemia? 


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